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AS etiology

Congenital vs. Degenerative/Rheumatic aortic stenosis

Symptom/FindingCongenital or Degenerative?
2 cusps with a football shaped opening seen on PSAX Congenital AS (bicuspid)
A raphe or underdeveloped cusp may be present. Congenital AS (bicuspid)
Cusps will appear thickened and may exhibit doming Congenital AS (bicuspid)
Post stenotic dilatation of the aortic root and ascending aorta Both
Thickening and calcification of the cusps Degenerative/rheumatic
Decreased excursion of the cusps Degenerative/rheumatic
MAC Degenerative/rheumatic
LVH – long-standing AS Both
LAE due to volume and pressure overload Degenerative/rheumatic
Late stage: LV dilatation, decreased systolic function, LV failure Degenerative/rheumatic
Created by: lefut